Fix: handle ENOENT when creating a kernel event

The kernel tracer returns ENOENT if an event is not found thus warn the
user of that.

Fixes #761

Signed-off-by: David Goulet <dgoulet@efficios.com>

diff --git a/src/bin/lttng-sessiond/kernel.c b/src/bin/lttng-sessiond/kernel.c
index faf35cc7fc8f8a42c927325a15a161bd69215148..44a71fc595de1427682bf84b19991bf0725da1bd 100644 (file)
--- a/src/bin/lttng-sessiond/kernel.c
+++ b/src/bin/lttng-sessiond/kernel.c
@@ -201,6 +201,9 @@ int kernel_create_event(struct lttng_event *ev,
                case ENOSYS:
                        WARN("Event type not implemented");
                        break;
                case ENOSYS:
                        WARN("Event type not implemented");
                        break;

+               case ENOENT:
+                       WARN("Event %s not found!", ev->name);
+                       break;

                default:
                        PERROR("create event ioctl");
                }
                default:
                        PERROR("create event ioctl");
                }